CN101335584A - Bluetooth mobile phone and CMMB/Bluetooth gateway cooperated mobile phone television receiving method and system - Google Patents
Bluetooth mobile phone and CMMB/Bluetooth gateway cooperated mobile phone television receiving method and system Download PDFInfo
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- CN101335584A CN101335584A CNA2008100700662A CN200810070066A CN101335584A CN 101335584 A CN101335584 A CN 101335584A CN A2008100700662 A CNA2008100700662 A CN A2008100700662A CN 200810070066 A CN200810070066 A CN 200810070066A CN 101335584 A CN101335584 A CN 101335584A
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Abstract
The invention discloses a method for cooperating a Bluetooth cell-phone and a CMMB/Bluetooth Gateway for receiving and watching mobile multimedia telecast and a system thereof. The method includes the following steps: a cooperative control module is arranged on the CMMB/Bluetooth gateway; the signal type that CMMB/Bluetooth gateway exports is set, or a cooperative client-terminal on a Bluetooth cell-phone is arranged; the CMMB/Bluetooth gateway receives a mobile multimedia broadcasting signal; the cooperative control module judges the type of the signal exported to the Bluetooth cell-phone according to user setting or the negotiated result of the cooperative client-terminal, and the CMMB/Bluetooth gateway exports the signal of the type to the Bluetooth gateway; the Bluetooth cell-phone processes the received signal to display the program for the user. The invention can use the existing Bluetooth cell-phone for receiving and watching mobile multimedia telecast, and overcome the disadvantage that replacement of abundant cell-phone terminals is required to receive and watch TV program broadcasted by China Mobile Multimedia Broadcasting platform.
Description
Technical field
The present invention relates to the communications field, relate in particular to the method and system that mobile multimedia broadcast television is watched in the cooperation of a kind of bluetooth cellular phone and CMMB/ Bluetooth gateway.
Background technology
Bluetooth (Bluetooth) is the short distance radio communication standards of being joined together to develop by mobile operator and mobile computing company, is used for designing setting up a kind of small-sized, economic, short-range Radio Link between portable computer, mobile phone and other mobile device.Bluetooth technology is social as a kind of standard configuration of mobile phone now, and increasing mobile phone has also possessed Bluetooth function.Advantages such as Bluetooth technology is wireless with it, radiation proof are accepted by increasing people, and the market demand becomes tangible ascendant trend.Point out that Chinese bluetooth mobile phone market in 2007 continues to keep increasing fast in " 2007-2008 China's bluetooth cellular phone and component market research annual report ", in whole mobile phone market, the market share of bluetooth cellular phone is near 35%.
CMMB is the abbreviation of English China Mobile Multimedia Broadcasting (China Mobile multimedia broadcasting).It is the system of first cover of domestic independent research towards mobile phone, PDA, MP3, MP4, digital camera, the multiple portable terminal of notebook computer, utilize the S-band satellite-signal to realize that " world " one covers, whole nation roaming, support 25 cover TV programme and 30 cover broadcast programs, on October 24th, 2006, SARFT(The State Administration of Radio and Television) has formally issued China Mobile multimedia broadcasting (being commonly called as mobile TV) industry standard, determines to adopt the Mobile Multimedia Broadcasting industry standard of China's independent research.
Mobile TV is meant by mobile communications network or digital broadcast network, with the transmission means of point-to-point or point-to-multipoint, watches the service of TV on the mobile phone with operating system and video capability.Mobile phone TV services have caused the extensive concern of industry to possess better market prospect as a kind of emerging multimedia service.
The CMMB pattern is to belong to digital TV receiver module is installed in mobile phone, directly this mobile phone TV services implementation of receiving digital television signal.But huge problem is the do not decode function of CMMB of numerous mobile phones at present, the user will utilize CMMB to reach and watch the mobile TV purpose, must change terminal, terminal lacks becomes one of bottleneck of mobile phone TV services fast development, and so a large amount of replacing terminal can cause the wasting of resources.If can make existing bluetooth cellular phone can directly receive the program of CMMB, that popularization to CMMB is great help, and the user also needn't spend high price to change excellent TV and the broadcast program that mobile phone just can be enjoyed CMMB simultaneously.Realize that above-mentioned purpose has two kinds of solutions: first kind is to increase the CMMB receiver module (thisly can be installed in for example place such as airport, railway station, public arena on the Bluetooth transmission base station, transmitting power is bigger, and can increase functions such as some emergent broadcasting and advertisement by the management software in the CMMMB receiver module); Second kind is to utilize CMMB receiver module and bluetooth module to form the transfer gateway (this can carrying on one's body the user, transmitting power is less) of a small-sized picture USB device.These two kinds of schemes are exactly in fact the CMMB/ Bluetooth gateway of forming by CMMB receiver module and bluetooth module, utilize existing bluetooth cellular phone to watch radio and television.
Summary of the invention
At the prior art above shortcomings, the present invention proposes the method and system that mobile TV is watched in the cooperation of a kind of bluetooth cellular phone and CMMB/ Bluetooth gateway.Its purpose is, utilizes existing bluetooth cellular phone and CMMB/ Bluetooth gateway to watch the TV programme that the China Mobile multimedia broadcasting platform is broadcast, so that utilize the resource of existing mobile phone, better promotes the development of CMMB.
The invention provides the system that mobile TV is watched in the cooperation of a kind of bluetooth cellular phone and CMMB/ Bluetooth gateway, comprise bluetooth cellular phone and CMMB/ Bluetooth gateway, described CMMB/ Bluetooth gateway also comprises the cooperation control module, be used for the type of judgement to the signal of bluetooth cellular phone output being set, and control CMMB/ Bluetooth gateway is exported the signal of described type to described bluetooth cellular phone according to the user;
Or described CMMB/ Bluetooth gateway also comprises the cooperation control module, and described bluetooth cellular phone also comprises collaboration client, wherein said cooperation control module is used for complying with the type of judging the signal of exporting to bluetooth cellular phone with the result of described collaboration client, and control CMMB/ Bluetooth gateway is exported the signal of described type to described bluetooth cellular phone; Described collaboration client and the described control module of cooperating are consulted, and judge the type of the signal of output for the cooperation control module, and according to the type of the signal of described output described bluetooth cellular phone are controlled.
The type of described signal comprises code signal, decoded signal or audio-video signal.
For the function of realization mobile TV on bluetooth cellular phone, the method that the present invention also provides a kind of bluetooth cellular phone and the cooperation of CMMB/ Bluetooth gateway to watch mobile TV, this method step is as follows:
1. the cooperation control module is set on the CMMB/ Bluetooth gateway;
2. the signal type of described CMMB/ Bluetooth gateway output is set, collaboration client perhaps is set on bluetooth cellular phone;
3. described CMMB/ Bluetooth gateway receives mobile multimedia broadcast signal;
4. described cooperation control module is provided with according to the user or judges type to the signal of described bluetooth cellular phone output with result that described collaboration client is consulted, and is exported the signal of described type to described bluetooth cellular phone by described CMMB/ Bluetooth gateway;
5. described bluetooth cellular phone is handled to the received signal, gives the user with content revealing.
The type of described signal comprises code signal, decoded signal or audio-video signal.
Described step 4. in:
If the type of the signal of described output is a code signal, then described step 5. in, described bluetooth cellular phone is carried out decoding, is play and the operation of output audio-video signal, and television content is represented to the user;
If the type of the signal of described output is a decoded signal, then described step 5. in, described CMMB/ Bluetooth gateway is carried out decode operation, described bluetooth cellular phone is carried out and is play and the operation of output audio-video signal, and television content is represented to the user;
If the type of the signal of described output is an audio-video signal, then described step 5. in, described CMMB/ Bluetooth gateway is carried out decoding, is play and operation, described bluetooth cellular phone represents television content to the user.
Described step 5. in, when described bluetooth cellular phone or CMMB/ Bluetooth gateway are carried out decode operation, also carry out digital-to-analogue conversion, adaptive and audio frequency and video mass compensation.
The present invention can utilize existing bluetooth cellular phone to watch mobile multimedia broadcast television, and overcoming needs a large amount of shortcomings that mobile phone terminal is watched the TV programme that the China Mobile multimedia broadcasting platform is broadcast of changing.The broadcast downstream channel of two-forty, the multimedia programming that is of high quality can be provided, the user watches high-quality TV programme by the cooperation of bluetooth cellular phone and CMMB/ Bluetooth gateway, both can enjoy at any time, everywhere, move the advantage that receives, TV reception very glibly again.Better meet user's needs, create the bigger mobile phone TV services market space, thereby promote the development of mobile phone TV services, and bring higher social benefit and economic benefit.
Description of drawings
Fig. 1 is the hardware block diagram of CMMB/ Bluetooth gateway among the present invention.
Fig. 2 is the main program functional flow diagram of CMMB/ Bluetooth gateway among the present invention.
Fig. 3 is the system module figure of CMMB/ Bluetooth gateway among the present invention.
Fig. 4 is provided with according to the user for CMMB/ Bluetooth gateway 31 among the present invention and bluetooth cellular phone is cooperated watches the flow chart of mobile TV.
Fig. 5 watches the flow chart of mobile TV for collaborative controller in the CMMB/ Bluetooth gateway 31 among the present invention and the cooperation of the collaboration client in the bluetooth cellular phone.
Embodiment
Among the present invention, the CMMB/ Bluetooth gateway is provided with according to the user or consults alternately by cooperation control module in the CMMB/ Bluetooth gateway and the collaboration client in the bluetooth cellular phone, judgement is to the type block of the signal of bluetooth cellular phone output, by the signal of Wireless transmission mode to bluetooth cellular phone output the type, bluetooth cellular phone is according to the signal that receives, television content is represented to the user, and the CMMB/ Bluetooth gateway comprises code signal, decoded signal and audio-video signal to the signal type of bluetooth cellular phone output.
Below in conjunction with accompanying drawing, describe the preferred embodiments of the invention in detail.In explaining process of the present invention, omit detailed description to known function and structure.
Fig. 1 is the hardware block diagram of CMMB/ Bluetooth gateway among the present invention.The CMMB/ Bluetooth gateway comprises:
CMMB module: mainly form by CMMB transceiver, Flash, RAM, MCU.
Bluetooth module: mainly form by bluetooth transceiver, Flash, RAM, MCU.
We can adopt the IF101 chip of the firm video signal of wound company the CMMB module section, and we can adopt the BC419143B chip of CSR company the bluetooth module part, and this chip meets up-to-date bluetooth 2.0 versions.Communication between two chips is by the RS232 serial communication, and wherein BC419143B is a part crucial in this system, because the hypervisor of gateway can write in the middle of the BC419143B chip.CMMB transceiver or bluetooth transceiver are by serial ports and the mutual AT instruction of MCU (microcontroller), Flash (flash memory) is used for storing the data that CMMB transceiver or bluetooth transceiver receive, and is convenient to that MCU (microcontroller) directly calls from Flash when using these data our next time.RAM (memory) is used for storing some temporary informations.
Fig. 2 is the main program functional flow diagram of CMMB/ Bluetooth gateway among the present invention.May further comprise the steps:
Step 21: registration process, in the time of in the middle of bluetooth cellular phone enters the CMMB/ blueteeth network, bluetooth cellular phone must be registered and authentication to the CMMB/ Bluetooth gateway.
Step 22: service discovery, after bluetooth cellular phone joined in the CMMB/ blueteeth network, it was as client computer itself, and the CMMB/ Bluetooth gateway is as server.By service discovery protocol (SDP), service and attribute thereof that its search network server (CMMB/ Bluetooth gateway) can provide.In the design, primary purpose is the bluetooth cellular phone that can find in the network, and the service that is provided by the CMMB/ Bluetooth gateway just makes bluetooth cellular phone can find the CMMB/ Bluetooth gateway, and the CMMB/ Bluetooth gateway also can find bluetooth cellular phone conversely.
Step 23: connection procedure, connection procedure are the connection procedures between bluetooth cellular phone and the CMMB/ Bluetooth gateway, and the standard of oneself is followed in the connection between bluetooth cellular phone and the bluetooth cellular phone.
Step 24: data transmit-receive, data transmit-receive process comprise the data transmit-receive process of the serial ports in bluetooth cellular phone data transmit-receive process and the CMMB/ Bluetooth gateway.Use the CodeWarriorC/C++ Integrated Development Environment.The main purpose of this subprogram is the broadcast data data collection to be got up to be positioned over the data buffering pond of CMMB/ Bluetooth gateway, and constantly refreshes and send to bluetooth cellular phone.
Step 25: log off procedure, leave the CMMB/ blueteeth network when the mobile phone requirement, then log off procedure just produces.Log off procedure is divided into normal cancellation and improper cancellation.Improper cancellation is meant mobile phone because power down or communication distance exceed its communication range and because the cancellation that improper damage caused of equipment.
Fig. 3 is the system module figure of CMMB/ Bluetooth gateway among the present invention, and CMMB/ Bluetooth gateway 31 comprises:
Television signal receiver module: CMMB/ Bluetooth gateway 31 receives mobile multimedia broadcast television signal, comprises clean culture/broadcast/group broadcast signal, and extracts the code signal data of the TV programme of a certain channel.Television signal receiver module comprises antenna, radio frequency and Base-Band Processing part.
Decoder: 31 pairs of code signals of CMMB/ Bluetooth gateway are decoded, and obtain decoded signal.The code signal of forms such as decoder decodable code audio/video encoding standard AVS, MPEG-4.
Player: CMMB/ Bluetooth gateway 31 broadcast decoder signals, output audio-video signal.
Cooperation control module: the cooperating of control bluetooth cellular phone and CMMB/ Bluetooth gateway 31; The cooperation control module is judged the type to the signal of described bluetooth cellular phone output, and control CMMB/ Bluetooth gateway 31 is exported the signal of described type to described bluetooth cellular phone.The cooperation control module has two kinds of working methods:
The user is provided with: the user can manually be provided with the type to the signal of bluetooth cellular phone output on the cooperation control module, the cooperation control module is according to the type of user's the signal that control output manually is set;
Automatically control: CMMB/ Bluetooth gateway 31 is with after bluetooth cellular phone is connected, and the discovery of the collaboration client of cooperation control module execution bluetooth cellular phone is operated:
Cooperation control module and collaboration client are consulted alternately, the signal type of decision output; Collaboration client is mutual with the control module of cooperating, and according to the signal type of CMMB/ Bluetooth gateway 31 outputs, corresponding operation is carried out in bluetooth cellular phone control.
CMMB/ bluetooth modular converter: the CMMB signal format after will handling converts the signal format that bluetooth cellular phone can be adaptive to.
Fig. 4 is provided with according to the user for CMMB/ Bluetooth gateway 31 among the present invention and bluetooth cellular phone is cooperated watches the flow chart of mobile TV, may further comprise the steps:
Step 41, the user is provided with the type to the signal of bluetooth cellular phone output;
Step 42, CMMB/ Bluetooth gateway 31 receives mobile multimedia broadcast television signal;
Step 43, collaborative controller is judged the type of the signal of output:
If the type of the signal of output is a code signal, then bluetooth cellular phone is carried out decoding (as required, optional support digital-to-analogue conversion, adaptive and audio frequency and video mass compensation), is play and the operation of output audio-video signal, and television content is represented to the user, and flow process finishes;
If the type of the signal of output is a decoded signal, CMMB/ Bluetooth gateway 31 is carried out decode operation (as required, optional support digital-to-analogue conversion, adaptive and audio frequency and video mass compensation), and bluetooth cellular phone is carried out and play and the operation of output audio-video signal, television content is represented to the user, and flow process finishes;
If the type of the signal of output is an audio-video signal, CMMB/ Bluetooth gateway 31 is carried out decode operation (as required, optional support digital-to-analogue conversion, adaptive and audio frequency and video mass compensation), play operation, and bluetooth cellular phone represents television content to the user, and flow process finishes.
Fig. 5 watches for collaborative controller in the CMMB/ Bluetooth gateway 31 among the present invention and the cooperation of the collaboration client in the bluetooth cellular phone and may further comprise the steps the flow chart of mobile TV:
Step 51 is provided with collaboration client on bluetooth cellular phone;
Step 52, CMMB/ Bluetooth gateway 31 receives mobile multimedia broadcast television signal;
Step 53, cooperation control module and collaboration client are consulted, and judge the type of the signal of output:
If the type of the signal of output is a code signal, bluetooth cellular phone is carried out decoding (as required, optional support digital-to-analogue conversion, adaptive and audio frequency and video mass compensation), is play and the operation of output audio-video signal, and television content is represented to the user, and flow process finishes;
If the type of the signal of output is a decoded signal, CMMB/ Bluetooth gateway 31 is carried out decode operation (as required, optional support digital-to-analogue conversion, adaptive and audio frequency and video mass compensation), and bluetooth cellular phone is carried out and play and the operation of output audio-video signal, television content is represented to the user, and flow process finishes;
If the type of the signal of output is an audio-video signal, CMMB/ Bluetooth gateway 31 is carried out decode operation (as required, optional support digital-to-analogue conversion, adaptive and audio frequency and video mass compensation), play operation, bluetooth cellular phone represents television content to the user, flow process finishes.
Described above is a preferred embodiment of the present invention, and within the scope of the invention, the foregoing description can also have a variety of variations.
Claims (6)
1, a kind of bluetooth cellular phone and CMMB/ Bluetooth gateway the cooperation watch mobile multimedia broadcast television system, comprise bluetooth cellular phone and CMMB/ Bluetooth gateway, it is characterized in that, described CMMB/ Bluetooth gateway also comprises the cooperation control module, be used for the type of judgement to the signal of bluetooth cellular phone output being set, and control CMMB/ Bluetooth gateway is exported the signal of described type to described bluetooth cellular phone according to the user;
Or described CMMB/ Bluetooth gateway also comprises the cooperation control module, and described bluetooth cellular phone also comprises collaboration client, wherein said cooperation control module is used for complying with the type of judging the signal of exporting to bluetooth cellular phone with the result of described collaboration client, and control CMMB/ Bluetooth gateway is exported the signal of described type to described bluetooth cellular phone; Described collaboration client and the described control module of cooperating are consulted, and judge the type of the signal of output for the cooperation control module, and according to the type of the signal of described output described bluetooth cellular phone are controlled.
2, bluetooth cellular phone according to claim 1 and CMMB/ Bluetooth gateway the cooperation watch mobile multimedia broadcast television system, it is characterized in that the type of described signal comprises code signal, decoded signal or audio-video signal.
3, a kind of bluetooth cellular phone and CMMB/ Bluetooth gateway the cooperation watch mobile multimedia broadcast television method, it is characterized in that, comprise the steps:
1. the cooperation control module is set on the CMMB/ Bluetooth gateway;
2. the signal type of described CMMB/ Bluetooth gateway output is set, collaboration client perhaps is set on bluetooth cellular phone;
3. described CMMB/ Bluetooth gateway receives mobile multimedia broadcast signal;
4. described cooperation control module is provided with according to the user or judges type to the signal of described bluetooth cellular phone output with result that described collaboration client is consulted, and is exported the signal of described type to described bluetooth cellular phone by described CMMB/ Bluetooth gateway;
5. described bluetooth cellular phone is handled to the received signal, gives the user with content revealing.
4, bluetooth cellular phone according to claim 3 and CMMB/ Bluetooth gateway the cooperation watch mobile multimedia broadcast television method, it is characterized in that the type of described signal comprises code signal, decoded signal or audio-video signal.
5, bluetooth cellular phone according to claim 4 and CMMB/ Bluetooth gateway the cooperation watch mobile multimedia broadcast television method, it is characterized in that, in the described step 4:
If the type of the signal of described output is a code signal, then described step 5. in, described bluetooth cellular phone is carried out decoding, is play and the operation of output audio-video signal, and television content is represented to the user;
If the type of the signal of described output is a decoded signal, then described step 5. in, described CMMB/ Bluetooth gateway is carried out decode operation, described bluetooth cellular phone is carried out and is play and the operation of output audio-video signal, and television content is represented to the user;
If the type of the signal of described output is an audio-video signal, then described step 5. in, described CMMB/ Bluetooth gateway is carried out decoding, is play and operation, described bluetooth cellular phone represents television content to the user.
6, bluetooth cellular phone according to claim 5 and CMMB/ Bluetooth gateway the cooperation watch mobile multimedia broadcast television method, it is characterized in that, described step 5. in, when described bluetooth cellular phone or CMMB/ Bluetooth gateway are carried out decode operation, also carry out digital-to-analogue conversion, adaptive and audio frequency and video mass compensation.
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| CNA2008100700662A CN101335584A (en) | 2008-07-31 | 2008-07-31 | Bluetooth mobile phone and CMMB/Bluetooth gateway cooperated mobile phone television receiving method and system |
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| CNA2008100700662A CN101335584A (en) | 2008-07-31 | 2008-07-31 | Bluetooth mobile phone and CMMB/Bluetooth gateway cooperated mobile phone television receiving method and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092658A (en) * | 2014-04-30 | 2014-10-08 | 腾讯科技（深圳）有限公司 | Audio data playing method and device |
| CN111669715A (en) * | 2020-05-21 | 2020-09-15 | 贵州大学 | Traditional village mobile phone emergency broadcasting device |
-
2008
- 2008-07-31 CN CNA2008100700662A patent/CN101335584A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104092658A (en) * | 2014-04-30 | 2014-10-08 | 腾讯科技（深圳）有限公司 | Audio data playing method and device |
| CN111669715A (en) * | 2020-05-21 | 2020-09-15 | 贵州大学 | Traditional village mobile phone emergency broadcasting device |
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Open date: 20081231 |